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Commands - 17

CLEAR COM$

Process Statement

SYNTAX: CLEAR CO M$ n

PURPOSE: To reset a serial port input buffer to the power– up condition.

REMARK S: Executing this statement will clear the serial input buffer specified by n.

n = legal serial port number.

The input buffer parameters are reset. Any previous CON FIG C OM$ and ON COM$ comm ands

will be canceled.

This statement does not clear serial output buffers.

See the Multitasking Chapter for more information.

RELATED: COM$, CONFIG COM$, ON COM$

EXAMPLE: The following clears the primary serial port input buffer:

10 CLEAR COM$ 1

ERROR: < Data negative> – for n

< Data out of range> – if n is not a legal serial port number

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Remote-processing CAMBASIC Manuale Utente Pagina 50